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Psychological mechanisms in the maintenance of insomnia: Arousal, distress, and sleep-related beliefs
Örebro University, Department of Behavioural, Social and Legal Sciences. (CHAMP)ORCID iD: 0000-0003-2059-1621
Örebro University, Department of Behavioural, Social and Legal Sciences.ORCID iD: 0000-0001-5359-0452
2007 (English)In: Behaviour Research and Therapy, ISSN 0005-7967, E-ISSN 1873-622X, Vol. 45, no 3, p. 511-521Article in journal (Refereed) Published
Abstract [en]

The purpose of this study was to examine whether arousal, distress, and sleep-related beliefs are related to the maintenance of insomnia. From a randomly selected sample from the general population (N = 3,600), 1,936 participants filled out a baseline and 1-year follow-up survey. Logistic regressions were used to investigate whether arousal, distress, and beliefs were related to sleep status (insomnia: n = 116; poor sleep: n = 222; normal sleep: n = 529; good sleep: n = 234) over one year. Cluster analysis was employed to assess whether it was possible to classify the participants based on their profiles of psychological functioning. The results showed that beliefs in the long-term negative consequences of insomnia, anxiety, depression, and arousal were significantly related to the maintenance of insomnia (18-72% of the variance). Of the individuals with persistent insomnia, 91% belonged to a cluster characterized by high scores on sleep-related beliefs, anxiety, depression, and arousal, and 9% to a cluster defined by low scores on the mechanisms. This study shows that sleep-related beliefs, anxiety, depression, and arousal are related to the maintenance of persistent insomnia, but also that these mechanisms often co-occur in individuals with insomnia.

Place, publisher, year, edition, pages
2007. Vol. 45, no 3, p. 511-521
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:oru:diva-3253DOI: 10.1016/j.brat.2006.04.003OAI: oai:DiVA.org:oru-3253DiVA, id: diva2:137550
Available from: 2008-12-02 Created: 2008-12-02 Last updated: 2017-12-14Bibliographically approved

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Jansson, MarkusLinton, Steven J.

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  • apa
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